原回转铣夹具制造精度较低，现在增加一处工艺基准面，大大提高了它的制造精度和可靠性，并为夹具的使用提供了一处校对基准面，使得叶片型面铣加工更为可靠。
In order to improve the manufacturing technology of rotary milling jigs, a datum plane was added so as to raise the manufacturing precision and reliability.
根据非回转体环向缠绕理论及叶片产品的具体要求，分析缠绕工艺，建立了张力控制系统的数学模型。
Next, according as no - gyrating round fiber winding theory and concrete request of vane, analyzing the winding technics, found the mathematics model of tension control system.
其特征在于，所述内风扇叶片的轴向外端连接于一环绕所述转轴的回转面。
The motor is characterized in that a revolution surface circling around the rotating shaft is connected with an axial outer end of the inner fan blade.
本实用新型是一种改进的复合螺旋叶片，属于回转式螺旋输送机零部件技术领域。
The utility model relates to an improved composite helical blade, belonging to the technical field of parts of rotary helical conveyor.
一种超低速连续回转液压伺服马达，是对双作用叶片式连续回转液压马达的改进。
The utility model relates to a super-low speed continuous rotary hydraulic servo motor, which is the improvement of a double-acting blade continuous rotary hydraulic motor.
与等截面回转通道相比较，变截面通道更接近叶片内冷通道原型。
Compared to the channel with uniform section area, those with various section areas are much similar to the internal cooling structure of the turbine blade.
而且，用立车加工叶片，消除了落地卧式车床的转速低、回转不稳定等缺点。
Besides, using the vertical lathe to turn vanes can eliminate the defects that a floor-type horizontal machine is low in rotary speed, unstable in slewing and the like.
而且，用立车加工叶片，消除了落地卧式车床的转速低、回转不稳定等缺点。
Besides, using the vertical lathe to turn vanes can eliminate the defects that a floor-type horizontal machine is low in rotary speed, unstable in slewing and the like.
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